linux-kernel - Re: [PATCH RFC 2/4] mm: kmem: remove redundant checks from get_obj_cgroup_from

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CALvZod6yAjobDQgrrDXxJ9X6RuQBWy=rEsic1b-f=N9i9kPWUQ@mail.gmail.com>
Date:   Thu, 27 Aug 2020 14:10:26 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Roman Gushchin <guro@...com>
Cc:     Linux MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Kernel Team <kernel-team@...com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC 2/4] mm: kmem: remove redundant checks from get_obj_cgroup_from_current()

On Thu, Aug 27, 2020 at 10:52 AM Roman Gushchin <guro@...com> wrote:
>
> There are checks for current->mm and current->active_memcg
> in get_obj_cgroup_from_current(), but these checks are redundant:
> memcg_kmem_bypass() called just above performs same checks.
>
> Signed-off-by: Roman Gushchin <guro@...com>

Reviewed-by: Shakeel Butt <shakeelb@...gle.com>